/*图片字体*/
@font-face {
    font-family: 'iconfont';
    src: url('font/albbsltb_1/iconfont.eot');
    src: url('font/albbsltb_1/iconfont.eot?#iefix') format('embedded-opentype'),
    url('font/albbsltb_1/iconfont.woff2') format('woff2'),
    url('font/albbsltb_1/iconfont.woff') format('woff'),
    url('font/albbsltb_1/iconfont.ttf') format('truetype'),
    url('font/albbsltb_1/iconfont.svg#iconfont') format('svg');
}

/*图片字体样式*/
.iconfont {
    font-family: "iconfont" !important;
    font-size: 16px;
    font-style: normal;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.slt {
    font-size: 36px;
    color: rgb(1, 173, 273);
}

.assess {
    color: blue;
}

body {
    margin: 0px;
    padding: 0px;
}

div > img {
    max-width: 100%; /*按其父元素的宽度的100%*/
    height: auto; /*图像按比例缩无人驾驶汽车利用车载传感器来感放*/
}

/*字体响应式媒介查询*/
@media (max-width: 768px) {
    .row a:link, .row a:visited {
        font-size: 26px !important;
    }

    .firstDiv p {
        font-size: 18px !important;
    }

    .secondDiv h3 {
        font-size: 20px !important;
    }

    .secondDiv button {
        font-size: 22px !important;
    }

    .lastDiv p {
        font-size: 17px !important;
        line-height: 24px !important;
    }
}

/*轮播图响应式媒介查询*/
@media (min-width: 616px) and (max-width: 992px) {
    #slidershow {
        margin: 0 auto;
        width: 600px;
        height: 400px;
    }
}

.row a:link, .row a:visited {
    font-family: "微软雅黑";
    font-size: 40px;
    font-weight: bold;
    color: #B8860B;
    text-decoration-line: none;
    animation: burningShadow 1s infinite;
}

.row a:hover {
    color: red;
    text-decoration-line: none;
}

.square {
    width: 0px;
    height: 0px;
    border-width: 14px;
    border-style: solid;
    border-color: rgb(246, 246, 246) transparent transparent;
    padding: 0px;
    margin: 0px;
}

.blueSquare {
    border-color: rgb(1, 173, 273) transparent transparent;
}

.firstDiv, .lastDiv {
    max-width: 100%;
    margin: 0 auto;
    background-color: rgb(246, 246, 246);
}

.firstDiv p {
    font-family: "宋体";
    font-size: 24px;
    text-indent: 2em;
}

.firstDiv div {
    text-align: center;
}

.firstDiv img {
    cursor: crosshair;
    transition: all 1.0s;
}

.firstDiv img:hover {
    transform: scale(1.1);
}

.secondDiv > .square {
    margin: 0 auto;
}

.secondDiv button {
    font-family: "微软雅黑";
    font-weight: bold;
    font-size: 30px;
    color: rgb(255, 255, 255);
    background-color: #FC0;
    border: 1px solid #FC9;
    margin-bottom: 10px;
}

.lastDiv > .square {
    margin: 0 auto;
}

.lastDiv p {
    font-family: "宋体";
    font-size: 20px;
    text-indent: 2em;
    line-height: 38px;
}

/*燃烧阴影*/
@keyframes burningShadow {
    0% {
        /*文本阴影：水平位置 垂直位置 模糊距离(可不选) 颜色(一个或多个)*/
        text-shadow: 0 0 2px white,
        0 -3px 2px #ff3,
        1px -5px 3px #fd3,
        -1px -8px 6px #f80,
        1px -13px 9px #f20;
    }
    25% {
        text-shadow: 0 0 2px white,
        1px -2px 3px #ff3,
        1px -6px 4px #fd3,
        -2px -10px 6px #f80,
        2px -15px 11px #f20;
    }
    50% {
        text-shadow: 0 0 2px white,
        1px -5px 4px #ff3,
        1px -7px 5px #fd3,
        -2px -13px 6px #f80,
        2px -18px 13px #f20;
    }
    75% {
        text-shadow: 0 0 2px white,
        1px -4px 3px #ff3,
        1px -6px 4px #fd3,
        -2px -10px 6px #f80,
        2px -15px 11px #f20;
    }
    100% {
        text-shadow: 0 0 2px white,
        0 -2px 2px #ff3,
        1px -5px 3px #fd3,
        -1px -8px 6px #f80,
        1px -13px 10px #f20;
    }
}

.middle {
    text-align: center;
    background-color: white;
    border: 10px solid rgb(1, 173, 273);
}

#btn {
    width: 50px;
    height: 50px;
    border-radius: 25px;
    background: #fff;
    padding: 0px;
    position: fixed;
    right: 8px;
    bottom: 10px;
}

#btn:hover {
    background: rgb(233, 233, 233);
}